Paint is the ancient name, coating is the name of modern civilization, contains more scientific and technological ingredients, and is widely used in modern science and industry. However, some customary names of paint are still retained, such as latex paint, primer, and topcoat.
Generally speaking, coatings are materials that can be applied to the surface of an object to be coated and can form a continuous film that is firmly attached. It can be both inorganic, such as electroplated copper, electroplated nickel, galvanized, etc. It can also be organic, such as most organic polymer materials. Organic polymer materials constitute a major part of the coatings market today.
Water-based paints need additives to meet production, construction, storage, and film formation. The level of paint additives also represents the level of national paint. The solvent is also called "dispersion medium" (including various organic solvents and water), which is mainly diluted to form a film to form a viscous liquid, which is convenient for production and construction. A mixture of a film-forming base material and a dispersion medium is often referred to as a paint.